**List of steps to reproduce** (step by step, including full links if applicable):
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**What happens?**:
Attempting to run Who Wrote That on any English Wikipedia page results in a CORS error. Relevant console error message:
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://wikiwho.wmflabs.org/en/whocolor/v1.0.0-beta/Human_rights_abuses_of_the_Marcos_dictatorship/1046457425/. (Reason: CORS request did not succeed).
> Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://wikiwho.wmflabs.org/en/whocolor/v1.0.0-beta/Human_rights_abuses_of_the_Marcos_dictatorship/1046457425/. (Reason: CORS request did not succeed).
**What should have happened instead?**:
The tool should have run
**Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc**: